Inking roller



F. LAMATSCH INKING ROLLER Feb. 6, 1934.

Filed June 18, 1931 If I I Patented Feb. 6, 1934 UNITED STATES PATENT N OFFICE y INKING ROLLER Frederick Lamatsch, Grantwood, N. J., assignor to R. Hoe & Co., Inc., New York, N. Y., a corporation of New York; Irving Trust Company, receivers Application June 18, 1931. Serial No. 545,330

3 Claims. (Cl. 308-190) This invention relates to inking rollers for use affording proper accommodation for the anti-fric?- upon printing presses, and while it pertains partion bearing members. ticularly to form rollers, it will be understood that Referring now more particularly to the drawing, the inventive idea may equally as well be carthe swaged central supporting shaft is shown gen:

` ried out in any of the other rolls of the inking erally in Fig. 2, and is indicated at 3. This il@ Cham shaft is hollow from end to end, and the medial An object of the invention is to provide means portion thereof is preferably of larger diameter of an improved nature in the construction and than the end portions, the latter being indicated mounting of the roller whereby its efliciency is at 4. It will be understood, of course, that the n f' increased, the power necessary in its operation is material of which the central supporting shaft is 6.5

reduced, and the weight of the entire roller asconstructed will be of sufficient size and strength sembly is minimized. as will withstand the strain to which it will be A further object of the invention is to construct subjected when in use.

the roller in such manner as to insure ease of The shaft has its ends 4 machined as indicated assembly as well as to provide for proper and in Fig. 1, a substantial distance inwardly from 70 accurate alignment and adjustment. its ends to provide a true outer periphery for With these objects in view, together with others proper support in posts or xed bearing memwhich will appear as the description proceeds, the bers indicated generally at 5. The shaft at a invention consists in the novel construction, comproper distance inwardly from each end is mabination and arrangement of parts all as will be chined so as to provide annular seats 6 for the I5 described more fully hereinafter, illustrated in accommodation of the inner race '7 of a conventhe drawing and particularly pointed out in the tional form of anti-friction bearing. The outer claims. race 8 of the bearing is accommodated properly In the drawingtwithin a machined recess in the inner end of a cap Fig. 1 is a fragmentary longitudinal sectional 9 removably secured as by bolts 10 to the outer SQ View taken through an inking roller constructed end of a head 11 carried by the cylinder body l2 in accordance with the invention, and of the inking roller. This roller is faced as at Fig. 2 is a similar view illustrating the sup- 13 with rubber or similar resilient covering. The porting shaft as it will appear prior to finishing heads 11 have portions 14 which are received and measuring operations. within annular internal recesses at the ends of 85 Asis well known in the printing art, the present the shell or cylinder 12, and to rigidly secure the type of inking rollers involves the use of rolls shell and heads together, welding may be applied mounted upon anti-friction bearings to reduce as as at 15. much as possible friction and to reduce the The caps 9 are preferably each provided with amount of power necessary in driving the maan inwardly extending flange 16 to closely ap- 9o chine. Aparticular advantage in the use of antiproach fixed portions of the central supporting friction bearings in the form roller is to insure shaft, and may be equipped with packings at l'l easier rotation and lessen the liability of slippage to retain lubricant as well as to exclude dirt and of the roller as it contacts the form. Rollers of dust. this character have been used with considerable One end of the shaft is provided with a retain- 95 success, but have been attended by certain dising block 18, which comprises a sleeve' slidable advantages which the present invention seeks to upon the central shaft and which may be locked overcome. Chief among these is the objection rigidly in position by a set screw 19. This sleeve that the supporting shaft and roller shell spring is provided With a reduced portion 20 to engage or become distorted relative to each other, the within the portion 16 of the cap 9 and also coop- 1pc result of which is obvious. In other instances this erate with the adjoining anti-friction member to objection results in loosening of the supporting retain the same in place. parts of the roller. By constructing the central shaft land its coop- In carrying out the present invention, use is erating parts in the manner described, it is apmade of a tubular swaged central shaft for the parent that the total weight is greatly reduced, 195 support of the inking cylinder, the said shaft the mechanism is simplified and yet ample being machined at proper places for the applicastrength of the assembly is assured. tion of anti-friction bearing members, while the The central supporting shaft may be simply cylinder ends are equipped with novel heads or and economically produced by swaging processes couplings for properly supporting the cylinder and and the open ends of the shaft permit of the 11g application of bars to facilitate lifting or carrying the rollers. The shell or cylinder 12 may be easily and quickly applied to the shaft, and the sleeve 18 locks the same with its associated parts in proper position. Should replacement or adljustment of any of the parts be required, it is apparent that the assembly permits of ready dismantling for these purposes. Should any looseness or wear develop in the bearing rings, the caps 9 may be readily withdrawn and replaced with new ones at a minimum expense and with the expenditure of little trouble or time.

Having thus described my invention, I claim:-

1. In an inking roller, a supporting shaft, antifriction bearing races in spaced relation on said shaft, a cylinder enclosing said shaft, a head for eachl end of said cylinder, each head having an annular recess in its outer end disposed outwardly beyond the ends of said cylinder, a cap for each head, an annular projection on each capi engaged 'in the recess of its adjacent head, seats in said caps for said bearing races, said races disposed between said heads and caps, and means for detachably securing said caps to said heads.

iid'

2. In an inking roller, a supporting shaft, a shoulder on said shaft, a cylinder enclosing said shaft, the end of the cylinder disposed inwardly of said shoulder, a head on said cylinder having its outer end in radial alinement with said shoulder, a ball race enclosing said shaft and engaging said shoulder, a second race engaged with said head, antifriction elements between said races, and a cap detachably secured to said head and holding said second race against outward movement on said shaft.

3. In an inking roller, a supporting shaft, a shoulder on said shaft, a cylinder enclosing said shaft, a head on said cylinder having its outer end in radial alinement with said shoulder, a ball race enclosing said shaft and engaging said shoulder, a second race engaged with said head, anti-y friction elements between said races, a block on said shaft holding said ball race against outward movement on said shaft, and a cap detachably secured to said head and holding said second race against outward movement.

FREDERICK LAMATSCH. 

